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oprofilefs: don't oops on allocation failure

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... just short-circuit the creation of potential children

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2018-03-10 16:40:33 -05:00
parent 5bf1ddf7ee
commit a749896833
1 changed files with 3 additions and 0 deletions
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3
drivers/oprofile/oprofilefs.c
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@ -138,6 +138,9 @@ static int __oprofilefs_create_file(struct dentry *root, char const *name,
struct dentry *dentry; struct dentry *dentry;
struct inode *inode; struct inode *inode;
if (!root)
return -ENOMEM;
inode_lock(d_inode(root)); inode_lock(d_inode(root));
dentry = d_alloc_name(root, name); dentry = d_alloc_name(root, name);
if (!dentry) { if (!dentry) {